HOEDSPRUIT, SOUTH AFRICA - MAY 17: An aerial view over Blyde River Canyon, from Mariepskop, a mountain enclave with unsurpassed beauty, fauna on May 17, 2008 at Hoedspruit, South Africa. Marieskop, about 1,945m above sea level, contains well over 20,000 plants species. The area has a unique biodiversity, with savannah, forest, grass and mountains ecosystems within a 50-kilometer radius. The Kruger National Park, one of the most popular tourist attractions is nearby. (Photo by: Per-Anders Pettersson/Getty Images)..